Dorman 678-514 Pre-Converter - CARB Compliant

Converting harmful exhaust gases to meet emissions standards, the Dorman 678-514 is a stainless steel catalytic converter with a ceramic substrate designed for one-piece direct replacement on specific vehicle systems. Fits the 2003-2006 Nissan Sentra with the 1.8L L4. The cylindrical converter integrates flanged inlet and outlet connections oriented for precise original equipment fitment, with the inlet straight and the outlet angled to match the exhaust path. The round-shaped converter body uses stainless steel construction throughout, manufactured in the United States to strict tolerance specifications. Installation hardware is included with the assembly for convenient mounting.

• Material: Stainless Steel
• Substrate Material: Ceramic
• Type: One-Piece
• Body Type: Cylinder
• Body Shape: Round
• Color: Metallic Gray
• Inlet Inside Diameter: 4 IN
• Outlet Inside Diameter: 2.04 IN
• Inlet Outside Diameter: 4.26 IN
• Outlet Outside Diameter: 4.31 IN
• Overall Length: 8.6 IN
• Body Height: 4 IN
• Body Length: 4 IN
• Body Width: 4 IN
• Inlet Type: Flanged
• Outlet Type: Flanged
• Inlet Orientation: Straight
• Outlet Orientation: Angled
• Inlet Port Shape: Round
• Outlet Port Shape: Round
• CARB Certified: Yes
• CARB Executive Order Number: D-798-9
• Gasket Or Seal Included: Yes
• Installation Hardware Included: Yes
• Grade Type: Standard Replacement
• Application Type: Specific
• Converter Quantity: 1
• Inlet Quantity: 1
• Outlet Quantity: 1
• Inlet Mounting Hole Quantity: 6
• O2 Sensor Ports: 0
• Heat Shield Attached: No
• Finish: Uncoated
• Package Contents: 1 Catalytic Converter
• Converter Body Length: 4 in
• Tube Wall Thickness: 0.125 in
• Mounting Hardware Included: Yes
• Quantity: 3
• California Air Resources Board Approved: Yes